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| author | Chris Lattner <sabre@nondot.org> | 2005-05-08 23:57:34 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2005-05-08 23:57:34 +0000 |
| commit | 20fad44ede55d9996a7d8a8f9012b763d7b7c601 (patch) | |
| tree | 6103b8d5d3b474befd9c62d831b832ef5125c1f0 /test/Analysis/BasicAA/tailcall-modref.ll | |
| parent | 37c121acf4fc347d9feff892598f79b1940f2875 (diff) | |
New testacse for information exposed by the 'tail' call marker.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21795 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Analysis/BasicAA/tailcall-modref.ll')
| -rw-r--r-- | test/Analysis/BasicAA/tailcall-modref.ll | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/test/Analysis/BasicAA/tailcall-modref.ll b/test/Analysis/BasicAA/tailcall-modref.ll new file mode 100644 index 0000000000..c58ad7ffcd --- /dev/null +++ b/test/Analysis/BasicAA/tailcall-modref.ll @@ -0,0 +1,16 @@ +; RUN: llvm-as < %s | opt -basicaa -load-vn -gcse -instcombine | llvm-dis | grep 'ret int 0' +declare void %foo(int*) +declare void %bar() + +int %test() { + %A = alloca int + call void %foo(int* %A) + + %X = load int* %A + tail call void %bar() ;; Cannot modify *%A because it's on the stack. + %Y = load int* %A + %Z = sub int %X, %Y + ret int %Z +} + + |